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The Schurter Inc. 4430.2351 is a 2-pole thermal circuit breaker featuring rocker actuation and a panel mount design. It provides thermal overload protection with a rated current of 15A and is suitable for AC applications up to 240 VAC and DC applications up to 60 VDC.
This circuit breaker is built for reliability, offering a mechanical lifetime of 50,000 switching cycles and overload endurance of at least 40 trips at 6 times the rated current for AC. It has a degree of protection of IP40 on the front side and can withstand vibration resistance up to 10 G.
Key electrical specifications include a conditional short circuit capacity of 1 kA (AC 240V) and a short circuit capacity Icn of 300A (AC) or 120A (DC) under specific conditions. The dielectric strength is 4 kVAC, and insulation resistance is greater than 100 MΩ at 500 VDC.
Applications for this thermal circuit breaker include power tools, industrial appliances, power supplies, and equipment for construction and cleaning. It operates within an ambient temperature range of -10 °C to 55 °C.
The rated voltage is 240 VAC and 60 VDC.
The current rating is 15A.
It has 2 poles.
It uses rocker actuation.
The allowable operating temperature is -10 °C to 55 °C.
The mechanical lifetime is 50,000 switching cycles.
The degree of protection on the front side is IP40.